Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP5 RT kernel was updated to fix various security issues The following security issues were fixed: - CVE-2026-31629: nfc: llcp: add missing return after LLCP_CLOSED checks (bsc#1263790). - CVE-2026-43037: ip6_tunnel: clear skb2->cb in ip4ip6_err() (bsc#1263995). - CVE-2026-43206: drm/amdkfd: Fix out-of-bounds write in kfd_event_page_set() (bsc#1264551). - CVE-2026-43499: rtmutex: Use waiter::task instead of current in remove_waiter() (bsc#1266001). - CVE-2026-43501: ipv6: rpl: reserve mac_len headroom when recompressed SRH grows (bsc#1266009). - CVE-2026-45852: RDMA/rxe: Fix double free in rxe_srq_from_init (bsc#1266711). - CVE-2026-46043: RDMA/rxe: Validate pad and ICRC before payload_size() in rxe_rcv (bsc#1266901). - CVE-2026-46243: smb: client: reject userspace cifs.spnego descriptions (bsc#1266238).